Part 3 30 minutes later the patient's chest pain returned with greater intensity whilst waiting in the emergency departm

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Part 3
30 minutes later the patient's chest pain returned with greater
intensity whilst waiting in the emergency department. Now, he
described the pain as though “an elephant is sitting on his chest”.
The nurse has already done an ECG by the time you were called to
see him. This is shown in figure 2.
Figure 1:
ECG on admission.
Figure 2:
ECG 30 minutes after admission.